How many fossil kits with 10 samples each have the same number of fossils as 30 fossil kits with 8 samples each?

6x - 8 = 16 solve the following equation. then place the correct number in the box provided.

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible

Select the two pairs of figures that are similar.